Which of the following symbols of elements are incorrect? Give their correct symbols.
Cobalt CO
Carbon c
c) Aluminium AL
d) Helium He
e) Sodium So

Which of the following symbols of elements are incorrect? Write correct symbols (a) Iron (lr) (6) Gold (Au) () Manganese (M) (d) Potassium (Po) (e) Zinc (ZN) F Calcium (Ca)

Which of the following is the correct symbol for cobalt, CO or Co ?

Which of the following match is/are correct regarding B, Al, C and Si elements?

State whether the following statement is true or false : The symbol of element cobalt is CO .

Which of the following match is/are correct regarding B, Al, C and S elements?

Which of the following is the greates? cos e c1 (b) cos e c2 cos e c4 (d) cos e c(-6)

Which of the following is the greates? cos e c1 (b) cos e c2 cos e c4 (d) cos e c(-6)

Which of the following is the greates? cos e c1 (b) cos e c2 cos e c4 (d) cos e c(-6)

Give the formulae of the compounds formed from the following sets of elements. a) Calcium and fluorine b) Hydrogen and sulphur c) Nitrogen and hydrogen d) Carbon and chlorine e) Sodium and oxygen f) Carbon and oxygen